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Finding the Third Proportional to 859,622 and 1,868,497

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Solution

The third proportional to 859,622 and 1,868,497 is: 4,061,414.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,622 : 1,868,497 = 1,868,497 : x
  2. Step 2: Convert to fraction form
    859,622/1,868,497 = 1,868,497/x
  3. Step 3: Cross multiply
    859,622x = 1,868,497 × 1,868,497
  4. Step 4: Simplify right side
    859,622x = 3,491,281,039,009
  5. Step 5: Solve for x
    x = 3,491,281,039,009/859,622
  6. Step 6: Final answer
    x = 4,061,414.25

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.